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(11)

EP 2 825 978 A1

(12)

(43) Date of publication: 21.01.2015 Bulletin 2015/04 (21) Application number: 13761758.5 (22) Date of filing: 08.03.2013

(51) International Patent Classification (IPC):  G06F 17/21(2006.01) G06F 17/27(2006.01) (86) International application number: PCT/US2013/029879 (87) International publication number: WO 2013/138179 (19.09.2013 Gazette 2013/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 13.03.2012 US 201261610096 P (71) Applicant: Google Inc. Mountain View, CA 94043 (US)	(72) Inventor: HAMON, Dominic Mountain View, CA 94043 (US) (74) Representative: Read, Matthew Charles et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)